Finding the Fourth Proportional to 694,728.53, 1,041,548.40 and 274,319.09
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Solution
The fourth proportional to 694,728.53, 1,041,548.40 and 274,319.09 is: 411,263.67
Step by Step Solution
- Step 1: Write the proportion equation
694,728.53 : 1,041,548.40 = 274,319.09 : x - Step 2: Convert to fraction form
694,728.53/1,041,548.40 = 274,319.09/x - Step 3: Cross multiply
694,728.53x = 1,041,548.40 × 274,319.09 - Step 4: Simplify right side
694,728.53x = 285,716,604,071.21 - Step 5: Solve for x
x = 285,716,604,071.21/694,728.53 - Step 6: Final answer
x = 411,263.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.